Pennsylvania
Snakes in Northumberland County
9 species have been documented here, 1 of them venomous.
Venomous snakes in Northumberland County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Northumberland County
Common Garter Snake
Thamnophis sirtalis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Common Watersnake
Nerodia sipedon
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Northumberland County: FAQ
- Are there venomous snakes in Northumberland County, Pennsylvania?
- Yes. 1 venomous snake species has verified records in Northumberland County, Pennsylvania, including Timber Rattlesnake. Most snakes in Northumberland County, Pennsylvania, however, are harmless.
- How many snake species live in Northumberland County, Pennsylvania?
- 9 snake species have verified records in Northumberland County, Pennsylvania, of which 1 is venomous.
- What is the most commonly seen snake in Northumberland County, Pennsylvania?
- The Common Garter Snake is the most frequently reported snake in Northumberland County, Pennsylvania, based on verified wildlife observations.
- What should I do if I see a venomous snake in Northumberland County, Pennsylvania?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.